About Us

More Than Just Heating and Air

Guaranteed Mechanical has provided installation and maintenance of HVAC systems throughout the Chicagoland area for generations.  We’ve built our reputation by asking one question over and over,

“How Can We Do It Better?”

That question has led us to several answers, including:

• Building trust and long-term relationships by offering sound advice to each customer. We only replace systems that need replacing.  Our customers trust our advice, and we are the only call they need to make.
• Recommending Amana products where appropriate. They offer the best warranty in the industry, which provides peace of mind.  Guaranteed Mechanical took the additional step of touring Amana’s production facility in Texas.  We recommend these products because we’ve witnessed the quality with which they are made.
• Maintaining a First-Class Workforce. Trust is built when you deal with the same people over time.  We are very proud that most of our team has over 15 years of tenure with Guaranteed Mechanical.  Our team gets to know our customers, and makes reliable recommendations.
• Living up to our Word. To put it plainly, we make it right.  We do what we say we’re going to, because your satisfaction and your trust are our top priorities.

We know that after your first interaction with our friendly team, you’ll be a customer for life.  Our customers refer people to us routinely because of the quality of care that our team shows for every project. 

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